7n+10=5n+40-10

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Solution for 7n+10=5n+40-10 equation:


Simplifying
7n + 10 = 5n + 40 + -10

Reorder the terms:
10 + 7n = 5n + 40 + -10

Reorder the terms:
10 + 7n = 40 + -10 + 5n

Combine like terms: 40 + -10 = 30
10 + 7n = 30 + 5n

Solving
10 + 7n = 30 + 5n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '-5n' to each side of the equation.
10 + 7n + -5n = 30 + 5n + -5n

Combine like terms: 7n + -5n = 2n
10 + 2n = 30 + 5n + -5n

Combine like terms: 5n + -5n = 0
10 + 2n = 30 + 0
10 + 2n = 30

Add '-10' to each side of the equation.
10 + -10 + 2n = 30 + -10

Combine like terms: 10 + -10 = 0
0 + 2n = 30 + -10
2n = 30 + -10

Combine like terms: 30 + -10 = 20
2n = 20

Divide each side by '2'.
n = 10

Simplifying
n = 10

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